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* [Bug tree-optimization/105254] New: ICE in exact_div, at poly-int.h:2219
@ 2022-04-13  6:34 asolokha at gmx dot com
  2022-04-13  8:00 ` [Bug tree-optimization/105254] " marxin at gcc dot gnu.org
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: asolokha at gmx dot com @ 2022-04-13  6:34 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105254

            Bug ID: 105254
           Summary: ICE in exact_div, at poly-int.h:2219
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
                CC: rsandifo at gcc dot gnu.org
  Target Milestone: ---
            Target: aarch64-linux-gnu

g++ 12.0.1 20220410 snapshot (g:54c5e064cc3dc3c9b3dff12b6d48dc3efd482b07) ICEs
when compiling the following testcase w/ -mcpu=demeter -O1
-ftree-loop-vectorize:

template <typename>
struct complex;

template <>
struct complex<double> {
  void operator+= (complex r) { v_ += r.v_; }
  _Complex v_;
};

template <typename T>
void
bar (T);

void
foo (complex<double> *x)
{
  complex<double> s {0.0};

  for (int i = 0; i < 16; ++i)
    s += x[i];

  bar<complex<double>> (s);
}

% aarch64-linux-gnu-g++-12.0.1 -mcpu=demeter -O1 -ftree-loop-vectorize -c
blv9apl0.cpp
during GIMPLE pass: vect
blv9apl0.cpp: In function 'void foo(complex<double>*)':
blv9apl0.cpp:15:1: internal compiler error: in exact_div, at poly-int.h:2219
   15 | foo (complex<double> *x)
      | ^~~
0x8a54a7 poly_int<2u, poly_result<unsigned long, if_nonpoly<unsigned int,
unsigned int, poly_int_traits<unsigned int>::is_poly>::type,
poly_coeff_pair_traits<unsigned long, if_nonpoly<unsigned int, unsigned int,
poly_int_traits<unsigned int>::is_poly>::type>::result_kind>::type>
exact_div<2u, unsigned long, unsigned int>(poly_int_pod<2u, unsigned long>
const&, unsigned int)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.1_p20220410/work/gcc-12-20220410/gcc/poly-int.h:2219
0x8a8422 poly_int<2u, poly_result<unsigned long, if_nonpoly<unsigned int,
unsigned int, poly_int_traits<unsigned int>::is_poly>::type,
poly_coeff_pair_traits<unsigned long, if_nonpoly<unsigned int, unsigned int,
poly_int_traits<unsigned int>::is_poly>::type>::result_kind>::type>
exact_div<2u, unsigned long, unsigned int>(poly_int_pod<2u, unsigned long>
const&, unsigned int)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.1_p20220410/work/gcc-12-20220410/gcc/tree-vect-loop.cc:3158
0x8a8422 vect_analyze_loop(loop*, vec_info_shared*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.1_p20220410/work/gcc-12-20220410/gcc/tree-vect-loop.cc:3032
0x14bc3d9 try_vectorize_loop_1
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.1_p20220410/work/gcc-12-20220410/gcc/tree-vectorizer.cc:1050
0x14bc3d9 try_vectorize_loop
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.1_p20220410/work/gcc-12-20220410/gcc/tree-vectorizer.cc:1165
0x14bd074 execute
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-12.0.1_p20220410/work/gcc-12-20220410/gcc/tree-vectorizer.cc:1281

^ permalink raw reply	[flat|nested] 9+ messages in thread
end of thread, other threads:[~2022-06-23  2:25 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-04-13  6:34 [Bug tree-optimization/105254] New: ICE in exact_div, at poly-int.h:2219 asolokha at gmx dot com
2022-04-13  8:00 ` [Bug tree-optimization/105254] " marxin at gcc dot gnu.org
2022-04-13  8:10 ` marxin at gcc dot gnu.org
2022-04-13  8:48 ` asolokha at gmx dot com
2022-04-13 12:53 ` rsandifo at gcc dot gnu.org
2022-04-13 16:54 ` cvs-commit at gcc dot gnu.org
2022-04-13 17:02 ` rsandifo at gcc dot gnu.org
2022-06-15 10:13 ` cvs-commit at gcc dot gnu.org
2022-06-23  2:25 ` cvs-commit at gcc dot gnu.org

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